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xv
xv-3.10a-enhancements.20070520-20081216.diff
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File xv-3.10a-enhancements.20070520-20081216.diff of Package xv
20070621 fixed improper ClearCode termination condition in GIF decoder (JZ); fixed some minor inconsistencies in Makefile (GRR) - xv-joe-zbiciak-20070621-gif-decoder-bugfix.dif 20080121 removed duplicate "XDestroyWindow(theDisp, pngW);" in xvmisc.c (IMC); fixed empty-filename click-and-crash bug in xvdir.c (IMC, DB) - xv-ian-collier-20080118-crash-fixes.msg - xv-david-bath-20080901-empty-filename-save-crash-fix.dif 20081205 reverted xvxwd.c to SJT's version (bug reported by Jari Ruusu) 20081216 fixed crash-bug in IFF decoder (EP) - xv-elmar-plischke-20081216-xviff-crash-fix.dif diff -ru ../test3.20070520.stock/xv-3.10a/xv.h ./xv.h --- ../test3.20070520.stock/xv-3.10a/xv.h 2007-05-20 22:23:33.000000000 -0700 +++ ./xv.h 2008-12-16 09:45:00.000000000 -0800 @@ -16,8 +16,9 @@ /* GRR 2nd public jumbo F+E patches: 20050410 */ /* GRR 3rd public jumbo F+E patches: 20050501 */ /* GRR 4th public jumbo F+E patch: 20070520 */ -#define REVDATE "version 3.10a-jumboFix+Enh of 20070520" -#define VERSTR "3.10a-20070520" +/* GRR 5th public jumbo F+E patch: 200xxxxx (probably mid-2009) */ +#define REVDATE "version 3.10a-jumboFix+Enh of 20081216 (interim!)" +#define VERSTR "3.10a-20081216" /* * uncomment the following, and modify for your site, but only if you've diff -ru ../test3.20070520.stock/xv-3.10a/xvdir.c ./xvdir.c --- ../test3.20070520.stock/xv-3.10a/xvdir.c 2007-05-20 22:23:33.000000000 -0700 +++ ./xvdir.c 2008-01-21 13:02:38.000000000 -0800 @@ -539,8 +539,9 @@ return -1; } - /* handle clicks inside the filename box */ - if (x > 80 && + /* handle clicks inside the filename box, but only when box is not empty */ + if (enPos > stPos && + x > 80 && y > dList.y + (int) dList.h + 30 && x < 80 + DNAMWIDE+6 && y < dList.y + (int) dList.h + 30 + LINEHIGH+5) { diff -ru ../test3.20070520.stock/xv-3.10a/xvgif.c ./xvgif.c --- ../test3.20070520.stock/xv-3.10a/xvgif.c 2007-05-20 22:23:33.000000000 -0700 +++ ./xvgif.c 2007-06-21 09:36:40.000000000 -0700 @@ -700,7 +700,7 @@ * associated output code on the output queue. */ - while (CurCode > BitMask) { + while (CurCode >= ClearCode) { /* Joe Zbiciak fix, 20070621 */ if (OutCount > 4096) break; /* corrupt file */ OutCode[OutCount++] = Suffix[CurCode]; CurCode = Prefix[CurCode]; diff -ru ../test3.20070520.stock/xv-3.10a/xvmisc.c ./xvmisc.c |--- ../test3.20070520.stock/xv-3.10a/xvmisc.c 2007-05-20 22:23:33.000000000 -0700 |+++ ./xvmisc.c 2008-01-21 12:57:29.000000000 -0800 |@@ -561,10 +561,6 @@ | if (mgcsfxW) XDestroyWindow(theDisp, mgcsfxW); | #endif | |-#ifdef HAVE_PNG |- if (pngW) XDestroyWindow(theDisp, pngW); |-#endif |- | /* if NOT using stdcmap for images, free stdcmap */ | if (colorMapMode != CM_STDCMAP) { | int j; [This one reverts xvxwd.c to the pre-2007 SJT version, which actually worked...] diff -ru ../test3.20070520.stock/xv-3.10a/xvxwd.c ./xvxwd.c |--- ../test3.20070520.stock/xv-3.10a/xvxwd.c 2007-05-20 22:23:33.000000000 -0700 |+++ ./xvxwd.c 2008-12-06 00:30:44.000000000 -0800 |@@ -19,6 +19,12 @@ | */ | | #include "xv.h" |+#include <limits.h> /* for CHAR_BIT */ |+ |+/* SJT: just in case ... */ |+#ifndef CHAR_BIT |+# define CHAR_BIT 8 |+#endif | | | /***************************** x11wd.h *****************************/ |@@ -83,9 +89,14 @@ | static int writebiglong PARM((FILE *, CARD32)); | #endif | |+static void getcolorshift PARM((CARD32, int *, int *)); /* SJT */ |+ |+/* SJT: for 16bpp and 24bpp shifts */ |+static int red_shift_right, red_justify_left, |+ grn_shift_right, grn_justify_left, |+ blu_shift_right, blu_justify_left; | static byte *pic8, *pic24; |-static CARD32 red_mask, green_mask, blue_mask; |-static int red_shift, green_shift, blue_shift; |+static CARD32 red_mask, grn_mask, blu_mask; | static int bits_per_item, bits_used, bit_shift, | bits_per_pixel, bits_per_rgb; | static char buf[4]; |@@ -189,38 +200,34 @@ | return 0; | } | |- switch (bits_per_pixel) { |- case 16: |- case 24: |- case 32: |- ; |- default: |- xwdError("True/Direct supports only 16, 24, and 32 bits"); |- return 0; |- } |+ for (row=0; row<rows; row++) { |+ for (col=0, xP=pic24+(row*cols*3); col<cols; col++) { |+ CARD32 ul; | |- if (byte_order == MSBFirst) { |- for (row=0; row<rows; row++) { |- for (col=0, xP=pic24+(row*cols*3); col<cols; col++) { |- register CARD32 ul = getpixnum(ifp); |- |- *xP++ = ul >> red_shift & red_mask ; |- *xP++ = ul >> green_shift & green_mask; |- *xP++ = ul >> blue_shift & blue_mask ; |- }; |- for (col=0; col<padright; col++) getpixnum(ifp); |- } |- } else { |- for (row=0; row<rows; row++) { |- for (col=0, xP=pic24+(row*cols*3); col<cols; col++) { |- register CARD32 ul = getpixnum(ifp); |- |- *xP++ = ul >> blue_shift & blue_mask ; |- *xP++ = ul >> green_shift & green_mask; |- *xP++ = ul >> red_shift & red_mask ; |- }; |- for (col=0; col<padright; col++) getpixnum(ifp); |+ ul = getpixnum(ifp); |+ switch (bits_per_pixel) { |+ case 16: |+ case 24: |+ case 32: |+ /* SJT: shift all the way to the right and then shift left. The |+ pairs of shifts could be combined. There will be two right and |+ one left shift, but it's unknown which will be which. It seems |+ easier to do the shifts (which might be 0) separately than to |+ have a complex set of tests. I believe this is independent of |+ byte order but I have no way to test. |+ */ |+ *xP++ = ((ul & red_mask) >> red_shift_right) << red_justify_left; |+ *xP++ = ((ul & grn_mask) >> grn_shift_right) << grn_justify_left; |+ *xP++ = ((ul & blu_mask) >> blu_shift_right) << blu_justify_left; |+ break; |+ |+ default: |+ xwdError("True/Direct supports only 16, 24, and 32 bits"); |+ return 0; |+ } | } |+ |+ for (col=0; col<padright; col++) getpixnum(ifp); | } | | pinfo->type = PIC24; |@@ -445,28 +452,18 @@ | (i.e., 3 bytes, no alpha/padding) */ | | |- bits_used = bits_per_item; |+ bits_used = bits_per_item; | | if (bits_per_pixel == sizeof(pixel_mask) * 8) pixel_mask = (CARD32) -1; | else pixel_mask = (1 << bits_per_pixel) - 1; | |- red_mask = h11P->red_mask; |- green_mask = h11P->grn_mask; |- blue_mask = h11P->blu_mask; |- |- red_shift = blue_shift = green_shift = 0; |- while (!(red_mask & 1)) { |- red_mask >>= 1; |- ++red_shift; |- } |- while (!(blue_mask & 1)) { |- blue_mask >>= 1; |- ++blue_shift; |- } |- while (!(green_mask & 1)) { |- green_mask >>= 1; |- ++green_shift; |- } |+ red_mask = h11P->red_mask; |+ grn_mask = h11P->grn_mask; |+ blu_mask = h11P->blu_mask; |+ |+ getcolorshift(red_mask, &red_shift_right, &red_justify_left); |+ getcolorshift(grn_mask, &grn_shift_right, &grn_justify_left); |+ getcolorshift(blu_mask, &blu_shift_right, &blu_justify_left); | | byteP = (char *) buf; | shortP = (CARD16 *) buf; |@@ -476,6 +473,45 @@ | } | | |+/* SJT: figure out the proper shifts */ |+static void getcolorshift (CARD32 mask, int *rightshift, int *leftshift) |+{ |+ int lshift, rshift; |+ unsigned int uu; |+ |+ if (mask == 0) |+ { |+ *rightshift = *leftshift = 0; |+ return; |+ } |+ |+ uu = mask; |+ lshift = rshift = 0; |+ while ((uu & 0xf) == 0) |+ { |+ rshift += 4; |+ uu >>= 4; |+ } |+ while ((uu & 1) == 0) |+ { |+ rshift++; |+ uu >>= 1; |+ } |+ |+ while (uu != 0) |+ { |+ if (uu & 1) |+ { |+ lshift++; |+ uu >>= 1; |+ } |+ } |+ *rightshift = rshift; |+ *leftshift = CHAR_BIT * sizeof(pixel) - lshift; |+ return; |+} |+ |+ | /******************************/ | static CARD32 getpixnum(file) | FILE* file; diff -ru ../test3.20070520.stock/xv-3.10a/xviff.c ./xviff.c --- ../test3.20070520.stock/xv-3.10a/xviff.c 2007-05-13 17:50:59.000000000 -0700 +++ ./xviff.c 2008-12-16 09:20:25.000000000 -0800 @@ -73,6 +73,7 @@ int BMHDok, CMAPok, CAMGok; int bmhd_width, bmhd_height, bmhd_bitplanes, bmhd_transcol; int i, j, k, lineskip, colors, fmt; + int npixels = 0; /* needs to be initialized _outside_ while-loop */ byte bmhd_masking, bmhd_compression; long chunkLen, camg_viewmode; byte *databuf, *dataptr, *cmapptr, *picptr, *pic, *bodyptr; @@ -138,7 +139,6 @@ BODY chunk was found or dataptr ran over end of file */ while ((rv<0) && (dataptr < (databuf + filesize))) { - int npixels = 0; chunkLen = (iff_getlong(dataptr + 4) + 1) & 0xfffffffe; /* make even */ if (strncmp((char *) dataptr, "BMHD", (size_t) 4)==0) { /* BMHD chunk? */
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